.card-enter, .card-appear {
    opacity: 0;
}

.card-enter-active, .card-appear-active {
    opacity: 1;
    transition: opacity 300ms;
}

.card-enter-done, .card-appear-done {

}

.card-exit {
    opacity: 1;
}

.card-exit-active {
    opacity: 0;
    transition: opacity 300ms;
}

.card-exit-done {
    opacity: 0;
}